The Bolt AD3520 runs Android 4.4.2 KitKat OS and has 512 MB RAM. The handset also comes with 4GB of internal storage that is further expandable with up to 32GB of memory card. It supports dual SIM with dual Standby functionality. The phone houses a 2-megapixel rear camera and also boasts a VGA front-facing camera.

Bolt AD3520 is fueled by a 1500mAh Li-ion battery that is rated for 5 hrs of talk-time and up to 175 hrs of standby time. Connectivity options include FM Radio, Wi-Fi 802.11 b/g/n, Bluetooth V4.0, micro-USB, mobile hotspot, GPS and 3.5mm audio jack. It also comes with dual front firing speakers.